The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 2013
Filed:
Jun. 16, 2011
Hairuo Tu, Boxborough, MA (US);
Dmitry Fomitchev, Lexington, MA (US);
Jinsong Liu, Franklin, MA (US);
Zhifeng LI, Westford, MA (US);
James Boswell, Nashua, NH (US);
Hairuo Tu, Boxborough, MA (US);
Dmitry Fomitchev, Lexington, MA (US);
Jinsong Liu, Franklin, MA (US);
Zhifeng Li, Westford, MA (US);
James Boswell, Nashua, NH (US);
Cabot Corporation, Boston, MA (US);
Abstract
The invention provides a toner composition comprising resin particles, a colorant, and a toner additive, wherein the toner additive comprises carbon-silica dual phase particles, wherein the carbon-silica dual phase particles comprise aggregates of carbon black comprising at least one silicon-containing region, and wherein the carbon-silica dual phase particles are distributed on the surface of the resin particles. The invention also provides a method of preparing the aforesaid toner composition.